Apparatus and system for precision dispensing of fluids and method of operating the same
US6050450A · kind A · utility
37Cited by
19References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1998 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Dec 28, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L3/0206
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid dispenser wherein a fixed threaded shaft carries a moveable microprocessor-controlled electric drive motor integrally provided with a shaft extension carrying a plunger for directly contacting and compressing fluid in a syringe barrel to dispense the fluid in accordance with programmed shot volume increments (as small as 0.001 cc, for example) set in the microprocessor, and provided further with provision for the automatic refilling of the syringe barrel upon completion of the fluid dispensing by the plunger
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.